The White House said Thursday that Obama would veto the bill that would fund the military through September and the federal government for one week, saying the president "believes that we need to put politics aside and work out our differences for a bill that covers the rest of the fiscal year."

"As the President stated on April 5, 2011, if negotiations are making significant progress, the Administration would support a short-term, clean Continuing Resolution to allow for enactment of a final bill," the White House said in an official news release of administration policy that was to be released later Thursday.

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The House is set to vote later Thursday on the legislation, which would cut spending this year by $12 billion.

GOP leaders, who have cast the bill as a "troop funding" legislation because it would fund the Pentagon through the end of the fiscal year, blasted the veto threat.

The bill also includes language that would prohibit the District of Columbia from using local government funds for abortion services. The legislation is opposed by Senate Democrats and is not expected to reach Obama's desk.

The veto threat was another reflection of rising tensions between House Republicans and the White House after there were signs of progress on a deal to avert a government shutdown late Wednesday.

A shutdown now looks increasingly likely to happen.

In a statement, the White House called the GOP bill funding the government for a week "a distraction from the real work that would bring us closer to a reasonable compromise" for funding the government in the 2011 fiscal year. The statement said a government shutdown, which could begin Saturday if Congress does not agree on a new funding measure, would put the nation’s economic recovery in jeopardy.

"The administration will continue to work with the Congress to arrive at a compromise that will fund the government for the remainder of the fiscal year in a way that does not undermine future growth and job creation and that averts a costly government shutdown," the White House said. "It is critical that the Congress send a final bill to the president’s desk that provides certainty to our men and women in military uniform, their families, small businesses, homeowners, taxpayers and all Americans. H.R. 1363 simply delays that critical final outcome.